Template:German & Al-Shehbaz, 2008
- German, D.A. & Al-Shehbaz, I.A. 2008. Five additional tribes (Aphragmeae, Biscutelleae, Calepineae, Conringieae, and Erysimeae) in the Brassicaceae (Cruciferae). Harvard Papers in Botany 13(1): 165–170. DOI: 10.3100/1043-4534(2008)13[165:FATABC]2.0.CO;2 ResearchGate